20169884144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{224669}}^1$

素因数の和:224889

約数の個数: 40

約数和(自身を含む): 40562820480

約数和(自身を除く): 20392936336

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 181, 248, 362, 496, 724, 1448, 2896, 5611, 11222, 22444, 44888, 89776, 224669, 449338, 898676, 1797352, 3594704, 6964739, 13929478, 27858956, 40665089, 55717912, 81330178, 111435824, 162660356, 325320712, 650641424, 1260617759, 2521235518, 5042471036, 10084942072, 20169884144]

約数ペア:

[(1, 20169884144), (2, 10084942072), (4, 5042471036), (8, 2521235518), (16, 1260617759), (31, 650641424), (62, 325320712), (124, 162660356), (181, 111435824), (248, 81330178), (362, 55717912), (496, 40665089), (724, 27858956), (1448, 13929478), (2896, 6964739), (5611, 3594704), (11222, 1797352), (22444, 898676), (44888, 449338), (89776, 224669)]